CN106247011B - A kind of splicing of major diameter Long-distance Pipeline for Water Conveyance, sinking system and method - Google Patents
A kind of splicing of major diameter Long-distance Pipeline for Water Conveyance, sinking system and method Download PDFInfo
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- CN106247011B CN106247011B CN201610656659.1A CN201610656659A CN106247011B CN 106247011 B CN106247011 B CN 106247011B CN 201610656659 A CN201610656659 A CN 201610656659A CN 106247011 B CN106247011 B CN 106247011B
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- buoyancy tank
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 60
- 238000000034 method Methods 0.000 title claims abstract description 22
- 238000007667 floating Methods 0.000 claims abstract description 19
- 230000007246 mechanism Effects 0.000 claims abstract description 19
- 238000005259 measurement Methods 0.000 claims abstract description 13
- 239000007788 liquid Substances 0.000 claims abstract description 10
- 238000006073 displacement reaction Methods 0.000 claims abstract description 7
- 238000007654 immersion Methods 0.000 claims abstract description 6
- 230000007423 decrease Effects 0.000 claims abstract description 4
- 230000005484 gravity Effects 0.000 claims abstract description 4
- 238000012546 transfer Methods 0.000 claims abstract description 4
- 229910000831 Steel Inorganic materials 0.000 claims description 23
- 239000010959 steel Substances 0.000 claims description 23
- 238000003466 welding Methods 0.000 claims description 10
- 230000008859 change Effects 0.000 claims description 6
- 238000013461 design Methods 0.000 claims description 4
- 230000000694 effects Effects 0.000 claims description 4
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 4
- 230000011218 segmentation Effects 0.000 claims description 4
- 238000010276 construction Methods 0.000 description 7
- 230000008569 process Effects 0.000 description 7
- 238000010586 diagram Methods 0.000 description 6
- 238000011065 in-situ storage Methods 0.000 description 4
- 108010066114 cabin-2 Proteins 0.000 description 2
- 208000020442 loss of weight Diseases 0.000 description 2
- 240000007594 Oryza sativa Species 0.000 description 1
- 235000007164 Oryza sativa Nutrition 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 210000004262 dental pulp cavity Anatomy 0.000 description 1
- 238000011161 development Methods 0.000 description 1
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- 238000005516 engineering process Methods 0.000 description 1
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- 235000009566 rice Nutrition 0.000 description 1
- 229910000679 solder Inorganic materials 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L1/00—Laying or reclaiming pipes; Repairing or joining pipes on or under water
- F16L1/12—Laying or reclaiming pipes on or under water
- F16L1/16—Laying or reclaiming pipes on or under water on the bottom
- F16L1/161—Laying or reclaiming pipes on or under water on the bottom the pipe being composed of sections of short length
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L1/00—Laying or reclaiming pipes; Repairing or joining pipes on or under water
- F16L1/12—Laying or reclaiming pipes on or under water
- F16L1/20—Accessories therefor, e.g. floats, weights
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L1/00—Laying or reclaiming pipes; Repairing or joining pipes on or under water
- F16L1/12—Laying or reclaiming pipes on or under water
- F16L1/20—Accessories therefor, e.g. floats, weights
- F16L1/24—Floats; Weights
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Earth Drilling (AREA)
- Placing Or Removing Of Piles Or Sheet Piles, Or Accessories Thereof (AREA)
Abstract
The invention discloses a kind of splicings of major diameter Long-distance Pipeline for Water Conveyance, sinking system and method, it is characterized by: the controllable floating box device that buoyancy size can be changed on water-supply-pipe is arranged in, support platform on tubular pole is set, the auxiliary lifting devices that auxiliary lifting sinking water-supply-pipe is used in support platform are set, the instrumentation mechanism for further including command centre and work progress being monitored, the instrumentation mechanism transfers data to command centre, the instrumentation mechanism includes hanging load measuring device, measurement of higher degree device and liquid level emasuring device, described hanging carries the variation that measuring device is used to measure water-supply-pipe gravity, the measurement of higher degree device is used to measure the displacement of water-supply-pipe height decline, the level gauging is for measuring height of the water-supply-pipe relative to the water surface.Aqueduct sinking system and its immersion method work progress of the invention is simple, security performance is high, required ship is less, and adjustability is high, facilitates control.
Description
Technical field
The invention belongs to hydraulic engineering technical field, in particular to a kind of splicings of major diameter Long-distance Pipeline for Water Conveyance, sinking
System and method.
Background technique
With the development of technology and the improvement of people ' s living standards, the more and more great rush of the construction of various favorable to the people engineerings
People's lives are facilitated into expanding economy.In the prior art, more river aqueduct construction overall plan and process system
Design scheme will ensure that the piling in work progress controls precision, underwater steel construction part installation accuracy, pipeline integral hoisting precision
Etc. multinomial requirement, the construction of the laying especially water-supply-pipe of major diameter long range of Ha Noi water-supply-pipe to consume a large amount of manpower,
Material resources, financial resources will meet the standard of zero tolerance in each process of construction.
In the prior art, the cross a river immersed tube of major diameter long range requires overall time sinking in sinking, in order to be formed
The steel pipe of whole water-supply-pipe, segmentation will be welded in land, then transport on river surface, and integral solder is long after completing to be compared
Long (several hundred rice even several kms) and its bad transport, will be transported, and be directed to the water-based item in inland river using more steamers
Part limitation, large-scale crane ship is marched into the arena difficulty, and the ships quantity required in integrated piping sinking is also more, water delivery pipe range
Degree is long, weight is big, the bad control of precision during integral hoisting, bad adjusting, integral construction difficulty, low efficiency, consuming
Time is longer.
Summary of the invention
The purpose of the present invention is to provide a kind of splicing of major diameter Long-distance Pipeline for Water Conveyance, sinking system and method, purports
It is solving due to the water-based condition limitation in inland river, large-scale crane ship is marched into the arena, and difficult, required ship is more, long-distance pipe is waterborne whole
Body welding difficulty is big, and the precision of plan-position and elevation requires high problem when integral hoisting is constructed.
In order to solve the above technical problems, technical solution provided by the invention are as follows: a kind of major diameter Long-distance Pipeline for Water Conveyance spelling
It connects, sinking system, it is characterised in that: the controllable floating box device of buoyancy size can be changed on water-supply-pipe including being arranged in, setting exists
Support platform on tubular pole is arranged in the auxiliary lifting devices for being used for auxiliary lifting sinking water-supply-pipe in support platform, further includes
Command centre and the instrumentation mechanism being monitored to work progress, the instrumentation mechanism transfer data to command centre, institute
The instrumentation mechanism stated includes hanging to carry measuring device, measurement of higher degree device and liquid level emasuring device, and described hanging carries measuring device and use
In the variation of measurement water-supply-pipe gravity, the measurement of higher degree device is used to measure the displacement of water-supply-pipe height decline, described
Level gauging is for measuring height of the water-supply-pipe relative to the water surface.
Preferably, the lower section of the support platform apparatus, which is equipped with, is used to support the detachable of the assembled welding of water-supply-pipe progress
Temporarily shelve crossbeam.
Preferably, the load measuring device of hanging is the force snesor being arranged in support platform, the measurement of higher degree
Device is the displacement sensor being arranged in support platform, and the liquid level emasuring device is the throw-in type liquid being arranged inside pipeline
Position meter.
Preferably, it can be selected as needed controllable between the water-supply-pipe and controllable floating box device to be detachably connected
Positional relationship between floating box device and water-supply-pipe.
Preferably, the controllable floating box device includes multiple groups buoyancy tank, and the number of every group of buoyancy tank is two and is symmetrical arranged
In water-supply-pipe two sides, the buoyancy tank includes cabinet, main cabin is equipped in the cabinet, the two sides in the main cabin are successively set respectively
Pressure water storehouse one and pressurized water tank two are respectively equipped with air valve and water valve in the pressurized water tank one and pressurized water tank two.
Preferably, it is connected between the controllable floating box device and water-supply-pipe by H profile steel.
A kind of splicing of major diameter Long-distance Pipeline for Water Conveyance, immersion method, include the following steps:
(1), it needs the corresponding position of sinking water-supply-pipe to beat steel-pipe pile in Ha Noi using piling machine, branch is constructed on steel-pipe pile
Platform is supportted, auxiliary lifting devices and corresponding instrumentation mechanism are set in support platform, the lower section setting of support platform is detachable
Temporarily shelve crossbeam；
(2), the pipeline splicing of segmentation is welded into the water-supply-pipe that length is 200m long on the place of riverbank, is lifted by crane using ship
It is lauched, (top that water-supply-pipe is located at buoyancy tank) is connect with buoyancy tank and uses buoyancy tank transportation by driving, water-supply-pipe is dragged to original by towboat waterborne
At the pipeline of position, water-supply-pipe is placed on and is temporarily shelved on crossbeam；
(3), more water-supply-pipes are subjected to assembled welding, are spliced into scheduled length, remove after the completion of splicing and temporarily shelve
Crossbeam；
(4), after the completion of water-supply-pipe splicing, change the positional relationship between buoyancy tank and water-supply-pipe, buoyancy tank and water-supply-pipe are set
Meter is in same level, by realizing the adjustment of buoyancy tank buoyancy and posture to filling the water or pressurizeing in buoyancy tank, support platform,
Sinking is carried out to the water-supply-pipe connected under the collective effect of auxiliary lifting devices, it can be according to observing and controlling machine during sinking
The data that structure detects are adjusted correspondingly；
(5), water-supply-pipe sinking is removed into buoyancy tank afterwards in place, is separated with support platform and hoisting aids platform.
Preferably, the auxiliary lifting devices are to be arranged in support platform to connect with water-supply-pipe to carry out auxiliary lifting
Hoist engine.
Preferably, the buoyancy tank includes several groups, and the number of every group of buoyancy tank is two, is passed through between buoyancy tank and water-supply-pipe
H profile steel connection is arranged above H profile steel in transportation by driving and assembled stage water-supply-pipe, and buoyancy tank is arranged between two H profile steels, in sinking
Stage, buoyancy tank and water-supply-pipe are set between two H profile steels up and down.
Compared with prior art, the present invention the invention has the following advantages:
(1), do not need to put into a large amount of large-scale crane ship, at most consider tubulation places by water-supply-pipe lifting go to river two,
Two are welded to water-supply-pipe assembly in situ；
(2), due to carrying out the welding and sinking of water-supply-pipe on the water surface in situ, contrast locating is more accurate, the plane position of pipeline
The auxiliary lifting devices being supported on platform are set to be fixed, the sinking process of water-supply-pipe done be only by water-supply-pipe by
Production elevation becomes the movement of design altitude by auxiliary lifting devices, and the lifting of elevation is completely by auxiliary lifting devices up and down
Control, lifting is very convenient, and precision is higher, can be readily implemented fine tuning up and down；
(3), splice the stage in water-supply-pipe, controllable floating box device can be used as the carrying platform waterborne of pipeline splicing, pass through
The plan-position of auxiliary lifting devices fixed -piping reaches the length that pipeline is spliced into design drawing requirement in situ on the water surface
Degree；
(4), the stage is filled the water in pipeline, by changing the relative position of controllable buoyancy tank and pipeline, balances buoyancy tank variable body
Buoyancy tank, long-distance pipe when filling the water sinking, due in the injecting process water body in the duct can play, cause entirely lift or
Sinking system stress can disequilibrium and extremely difficult control, be process the most complicated and greatest risk during entire sinking.This
After invention is using balance buoyancy tank, regardless of the water body left and right play in the injecting process in pipeline, pass through the automatic of balance buoyancy tank
Equilibrium function finally can reach self-balancing, be effectively controlled the risk of the sinking process, reduce difficulty of construction；
(5), in the pipeline commissioning stage, by filling the water in the cabin of controllable buoyancy tank, controllable buoyancy tank variable body is loss of weight buoyancy tank, whole
The weight overwhelming majority in root canal road is undertaken by loss of weight buoyancy tank, and support platform and auxiliary lifting devices only undertake small part
Weight increases stability, safety and the operability of entire sinking system.
(6), tubulation sinking system in situ is mainly by support platform and the auxiliary lifting devices structure being mounted in support platform
Be at the lifting power that, the sinking system provides it is controllable, instrumentation mechanism is installed in per pass sinking system, instrumentation mechanism will supervise
The real-time data transmission measured is to command centre, and it is hereby ensured that the lifting power of per pass sinking system and real-time elevation are completely real
When it is controllable, the synchronism between the safety and each sinking system of pipeline sinking provides good guarantee；
(7), the stroke of whole system of the invention freely can be changed, and operation is also very simple；
(8), the present invention has invertibity, just in case breaking down during sinking, can pass through the aerating of controllable buoyancy tank
Draining movement realizes the change of controllable buoyancy tank buoyancy and steel pipe is easily promoted to the water surface.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of a kind of major diameter Long-distance Pipeline for Water Conveyance splicing of the present invention, sinking system.
Fig. 2 is the main view of a kind of major diameter Long-distance Pipeline for Water Conveyance splicing of the present invention, sinking system and method.
Fig. 3 is the top view of a kind of major diameter Long-distance Pipeline for Water Conveyance splicing of the present invention, sinking system and method.
Fig. 4 is the side view of a kind of major diameter Long-distance Pipeline for Water Conveyance splicing of the present invention, sinking system and method.
Fig. 5 is the structural schematic diagram of controllable floating box device of the invention.
Fig. 6 is the structural schematic diagram of controllable buoyancy tank and water-supply-pipe state one of the invention.
Fig. 7 is the structural schematic diagram of controllable buoyancy tank and water-supply-pipe state two of the invention.
Fig. 8 is the structural schematic diagram of controllable buoyancy tank and water-supply-pipe state three of the invention.
Fig. 9 is the structural schematic diagram inside controllable buoyancy tank of the invention.
It is as shown in the figure: 1, cabinet, 2, main cabin, 3, pressurized water tank one, 4, pressurized water tank two, 5, air valve, 6, water valve, 7, tubular pole, 8,
Support platform, 9, hoist engine, 10, pulley, 11, water-supply-pipe, 12, controllable buoyancy tank, 13, H profile steel, 14, horizontal plane.
Specific embodiment
Present invention will be described in further detail below with reference to the accompanying drawings.
In conjunction with attached drawing, a kind of splicing of major diameter Long-distance Pipeline for Water Conveyance, sinking system, including water-supply-pipe, it is characterised in that:
The controllable floating box device that buoyancy size can be changed on water-supply-pipe including being arranged in, is arranged in the support platform on tubular pole, and setting exists
It is used for the auxiliary lifting devices of auxiliary lifting sinking water-supply-pipe in support platform, further include command centre and work progress is carried out
The instrumentation mechanism of monitoring, the instrumentation mechanism transfer data to command centre, and the instrumentation mechanism includes hanging load measurement
Device, measurement of higher degree device and liquid level emasuring device, described hanging carry the variation that measuring device is used to measure water-supply-pipe gravity, institute
The measurement of higher degree device stated is used to measure the displacement of water-supply-pipe height decline, and the level gauging is opposite for measuring water-supply-pipe
In the height of the water surface.
The lower section of the support platform apparatus, which is equipped with, is used to support the dismountable interim of the assembled welding of water-supply-pipe progress
Shelve crossbeam.
The load measuring device of hanging is the force snesor being arranged in support platform, and the measurement of higher degree device is to set
The displacement sensor in support platform is set, the liquid level emasuring device is the called putting-into-type liquid level meter being arranged inside pipeline.
To be detachably connected between the water-supply-pipe and controllable floating box device, controllable floating box device can be selected as needed
Positional relationship between water-supply-pipe.
The controllable floating box device includes multiple groups buoyancy tank, and the number of every group of buoyancy tank is two and is symmetricly set on water-supply-pipe
Two sides, the buoyancy tank include cabinet 1, main cabin 2 are equipped in the cabinet 1, the two sides in the main cabin 2 are successively arranged pressure respectively
Sump 1 and pressurized water tank 24 are respectively equipped with air valve 5 and water valve 6 in the pressurized water tank 1 and pressurized water tank 24.Specifically make
Used time is to change buoyancy size by changing the variation of water in pressurized water tank 1 and pressurized water tank 24, and the air valve is for arranging
Gas and air inlet, the water valve is for draining and intaking.
It is connected between the controllable floating box device and water-supply-pipe by H profile steel.
A kind of splicing of major diameter Long-distance Pipeline for Water Conveyance, immersion method, include the following steps:
(1), it needs the corresponding position of sinking water-supply-pipe to beat steel-pipe pile in Ha Noi using piling machine, branch is constructed on steel-pipe pile
Platform is supportted, auxiliary lifting devices and corresponding instrumentation mechanism are set in support platform, the lower section setting of support platform is detachable
Temporarily shelve crossbeam；
(2), the pipeline splicing of segmentation is welded into the water-supply-pipe that length is 200m long on the place of riverbank, is lifted by crane using ship
It is lauched, (top that water-supply-pipe is located at buoyancy tank) is connect with buoyancy tank and uses buoyancy tank transportation by driving, water-supply-pipe is dragged to original by towboat waterborne
At the pipeline of position, water-supply-pipe is placed on and is temporarily shelved on crossbeam；
(3), more water-supply-pipes are subjected to assembled welding, are spliced into scheduled length, remove after the completion of splicing and temporarily shelve
Crossbeam；
(4), after the completion of water-supply-pipe splicing, change the positional relationship between buoyancy tank and water-supply-pipe, buoyancy tank and water-supply-pipe are set
Meter is in same level, by realizing the adjustment of buoyancy tank buoyancy and posture to filling the water or pressurizeing in buoyancy tank, in hoisting aids
Sinking is carried out to the water-supply-pipe connected under the collective effect of device, can be detected according to instrumentation mechanism during sinking
Data be adjusted correspondingly；
(5), water-supply-pipe sinking is removed into buoyancy tank afterwards in place, is separated with auxiliary lifting devices.
The auxiliary lifting devices are that the hoist engine for connecting in support platform with water-supply-pipe and carrying out auxiliary lifting is arranged in.
The buoyancy tank includes several groups, and the number of every group of buoyancy tank is two, is connected between buoyancy tank and water-supply-pipe by H profile steel
It connects, is arranged above H profile steel in transportation by driving and assembled stage water-supply-pipe, buoyancy tank is arranged between two H profile steels, in the sinking stage, floats
Case and water-supply-pipe are set between two H profile steels up and down.
In a particular embodiment, the length of common steel pipe be 12 meters or so, bank first by 12 meters of steel-pipe welding at
Then pipeline is connect using ship lifting with controllable buoyancy tank, is welded with circular arc on the lateral wall of buoyancy tank by a length of 200 meters of pipeline
Shape pedestal, arc-shaped pedestal are connect by bolt with H profile steel, are installed the rear buoyancy tank between two H profile steels, fixed
Effect is good, as shown in fig. 6, pipeline is located on two buoyancy tanks in the drying for carrying out keeping pipeline when transportation by driving and welding waterborne,
After the completion of pipeline splicing, pipeline is manually disassembled to the state as shown in Figure 7 between two buoyancy tanks that is then fitted into, is being embodied
In, it is designed with buoyancy tank on every pipeline 200 meters long, is designed with auxiliary lifting devices and measure and control device in each support platform,
The auxiliary lifting devices are hoist engine or other lifting equipments, and pulley blocks are equipped in support platform, and hoist engine passes through
Pulley blocks are connect with pipeline, so that the lifting of pipeline is driven, the hoisting aids dress since pipeline is equipped with buoyancy tank, in support platform
It sets and primarily serves fixed function, stress is smaller, facilitates operation.
In the present invention, the pipeline refers to that water-supply-pipe, water-supply-pipe and pipeline are the same components.
The present invention and its embodiments have been described above, this description is no restricted, shown in the drawings
Only one of embodiments of the present invention, actual structure is not limited to this.All in all if the ordinary skill of this field
Personnel are enlightened by it, without departing from the spirit of the invention, are not inventively designed and the technical solution phase
As frame mode and embodiment, be within the scope of protection of the invention.
Claims (7)
1. a kind of major diameter Long-distance Pipeline for Water Conveyance splicing, sinking system, it is characterised in that: can change including being arranged on water-supply-pipe
The support platform on tubular pole is arranged in the controllable floating box device for becoming buoyancy size, is arranged in support platform and is used for auxiliary lifting
The instrumentation mechanism that the auxiliary lifting devices of sinking water-supply-pipe further include command centre and are monitored to work progress, it is described
Instrumentation mechanism transfers data to command centre, and the instrumentation mechanism includes hanging to carry measuring device, measurement of higher degree device and liquid
Level measuring arrangement, described hanging carry the variation that measuring device is used to measure water-supply-pipe gravity, and the measurement of higher degree device is used for
The displacement of water-supply-pipe height decline is measured, the level gauging is described for measuring height of the water-supply-pipe relative to the water surface
Crossbeam is temporarily shelved equipped with assembled the dismountable of welding of water-supply-pipe progress is used to support in the lower section of support platform apparatus, described
To be detachably connected between water-supply-pipe and controllable floating box device, can select as needed between controllable floating box device and water-supply-pipe
Positional relationship.
2. a kind of major diameter Long-distance Pipeline for Water Conveyance splicing according to claim 1, sinking system, it is characterised in that: institute
It is connected between the controllable floating box device stated and water-supply-pipe by H profile steel, is welded with arc-shaped pedestal, circular arc on the lateral wall of buoyancy tank
Shape pedestal is connect by bolt with H profile steel.
3. a kind of major diameter Long-distance Pipeline for Water Conveyance splicing according to claim 1, sinking system, it is characterised in that: institute
The load measuring device of hanging stated is the force snesor being arranged in support platform, and the measurement of higher degree device is that setting is flat in support
Displacement sensor on platform, the liquid level emasuring device are the called putting-into-type liquid level meter being arranged inside pipeline.
4. a kind of major diameter Long-distance Pipeline for Water Conveyance splicing according to claim 1, sinking system, it is characterised in that: institute
The controllable floating box device stated includes multiple groups buoyancy tank, and the number of every group of buoyancy tank is two and is symmetricly set on water-supply-pipe two sides, described
Buoyancy tank include cabinet (1), be equipped with main cabin (2) in the cabinet (1), the two sides of the main cabin (2) are successively arranged pressure respectively
Sump one (3) and pressurized water tank two (4) are respectively equipped with air valve (5) and water valve in the pressurized water tank one (3) and pressurized water tank two (4)
(6)。
5. a kind of splicing of major diameter Long-distance Pipeline for Water Conveyance, immersion method, characterized by the following steps:
(1), the corresponding position of sinking water-supply-pipe is needed to beat steel-pipe pile in Ha Noi using piling machine, building support is flat on steel-pipe pile
Platform, is arranged auxiliary lifting devices and corresponding instrumentation mechanism in support platform, and the lower section setting of support platform is removably faced
When shelve crossbeam；
(2), the pipeline splicing of segmentation is welded into the water-supply-pipe that length is 200m long on the place of riverbank, is lifted by crane down using ship
Water connect (top that water-supply-pipe is located at buoyancy tank) with buoyancy tank and uses buoyancy tank transportation by driving, and water-supply-pipe is dragged to original position by towboat waterborne
At pipeline, water-supply-pipe is placed on and is temporarily shelved on crossbeam；
(3), more water-supply-pipes are subjected to assembled welding, are spliced into scheduled length, are removed after the completion of splicing and temporarily shelve crossbeam；
(4), after the completion of water-supply-pipe splicing, change the positional relationship between buoyancy tank and water-supply-pipe, buoyancy tank and water-supply-pipe design are existed
In same level, by realizing the adjustment of buoyancy tank buoyancy and posture to filling the water or pressurizeing in buoyancy tank, in auxiliary lifting devices
Collective effect under sinking, the number that can be detected according to instrumentation mechanism during sinking are carried out to the water-supply-pipe that has connected
According to being adjusted correspondingly；
(5), water-supply-pipe sinking is removed into buoyancy tank afterwards in place, is separated with auxiliary lifting devices.
6. a kind of splicing of major diameter Long-distance Pipeline for Water Conveyance according to claim 5, immersion method, it is characterised in that:
The auxiliary lifting devices are that the hoist engine for connecting in support platform with water-supply-pipe and carrying out auxiliary lifting is arranged in.
7. a kind of splicing of major diameter Long-distance Pipeline for Water Conveyance according to claim 5, immersion method, it is characterised in that:
The buoyancy tank includes several groups, and the number of every group of buoyancy tank is two, is connected between buoyancy tank and water-supply-pipe by H profile steel, floating
Fortune and assembled stage water-supply-pipe are arranged above H profile steel, and buoyancy tank is arranged between two H profile steels, in the sinking stage, buoyancy tank and water delivery
Guan Jun is set between upper and lower two H profile steels.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610656659.1A CN106247011B (en) | 2016-08-12 | 2016-08-12 | A kind of splicing of major diameter Long-distance Pipeline for Water Conveyance, sinking system and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610656659.1A CN106247011B (en) | 2016-08-12 | 2016-08-12 | A kind of splicing of major diameter Long-distance Pipeline for Water Conveyance, sinking system and method |
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| Publication Number | Publication Date |
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| CN106247011A CN106247011A (en) | 2016-12-21 |
| CN106247011B true CN106247011B (en) | 2019-03-05 |
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| CN201610656659.1A Active CN106247011B (en) | 2016-08-12 | 2016-08-12 | A kind of splicing of major diameter Long-distance Pipeline for Water Conveyance, sinking system and method |
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| CN108222069B (en) * | 2017-08-10 | 2023-07-28 | 北京九州动脉隧道技术有限公司 | Underwater immersed tube, device for erecting underwater immersed tube and construction method |
| CN108506569A (en) * | 2018-04-26 | 2018-09-07 | 云南建投安装股份有限公司 | Heavy caliber water intaking siphon piping immersed tube method over long distances |
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| CN106247011A (en) | 2016-12-21 |
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Address after: 214000 Liyuan Development Zone, Binhu District, Wuxi City, Jiangsu Province, 5th Floor, Building 3, Creative Industry Park Co-patentee after: China University of Mining & Technology Patentee after: China Railway Urban and Rural Environmental Protection Engineering Co., Ltd. Co-patentee after: Xuzhou Water Conservancy Bureau Co-patentee after: Wuxi Ocean Engineering Co., Ltd. Address before: 214000 Liyuan Development Zone, Binhu District, Wuxi City, Jiangsu Province, 5th Floor, Building 3, Creative Industry Park Co-patentee before: China University of Mining & Technology Patentee before: China Railway ten Bureau Group tenth Engineering Co., Ltd. Co-patentee before: Xuzhou Water Conservancy Bureau Co-patentee before: Wuxi Ocean Engineering Co., Ltd. |
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